Global Patent Index - EP 1038038 A1

EP 1038038 A1 20000927 - METHOD FOR PRODUCING DIRECTLY REDUCED IRON IN A LAYERED FURNACE

Title (en)

METHOD FOR PRODUCING DIRECTLY REDUCED IRON IN A LAYERED FURNACE

Title (de)

VERFAHREN ZUM HERSTELLEN VON DIREKT REDUZIERTEM EISEN IN EINEM ETAGENOFEN

Title (fr)

PROCEDE DE PRODUCTION DE FER DIRECTEMENT REDUIT DANS UN FOUR A ETAGES

Publication

EP 1038038 A1 20000927 (DE)

Application

EP 98962432 A 19981209

Priority

  • EP 9808005 W 19981209
  • LU 90182 A 19971210
  • LU 90206 A 19980129
  • LU 90212 A 19980204

Abstract (en)

[origin: US6395057B1] A method for producing reduced iron in a layered furnace which includes several superimposed layers. Ore is continuously fed into the layered furnace, deposited on the uppermost layer, and gradually transferred to the lower layer. A reducing agent is deposited on the uppermost layer and/or layers thereunder and is reacted with the ore in order to form directly reduced iron. The directly reduced iron and reducing agent residues are discharged in the vicinity of the lowest layer of the furnace.

IPC 1-7

C21B 13/06; C21B 13/10; F27B 9/18

IPC 8 full level

C21B 13/06 (2006.01); C21B 13/10 (2006.01); F27B 9/18 (2006.01)

CPC (source: EP KR US)

C21B 13/06 (2013.01 - EP KR US); F27B 9/185 (2013.01 - EP US); Y02P 10/122 (2015.11 - EP US); Y02P 10/134 (2015.11 - EP US); Y02P 10/20 (2015.11 - EP US)

Designated contracting state (EPC)

AT BE DE DK ES FI FR GB IT NL PT SE

DOCDB simple family (publication)

WO 9929910 A1 19990617; AT E217350 T1 20020515; AU 1760199 A 19990628; AU 756767 B2 20030123; BR 9815167 A 20001010; CA 2312465 A1 19990617; CN 1128231 C 20031119; CN 1285004 A 20010221; DE 59804094 D1 20020613; EP 1038038 A1 20000927; EP 1038038 B1 20020508; JP 2001526318 A 20011218; KR 20010032944 A 20010425; SK 8672000 A3 20001211; TR 200001639 T2 20001221; US 6395057 B1 20020528

DOCDB simple family (application)

EP 9808005 W 19981209; AT 98962432 T 19981209; AU 1760199 A 19981209; BR 9815167 A 19981209; CA 2312465 A 19981209; CN 98812926 A 19981209; DE 59804094 T 19981209; EP 98962432 A 19981209; JP 2000524480 A 19981209; KR 20007006289 A 20000609; SK 8672000 A 19981209; TR 200001639 T 19981209; US 58115800 A 20000816